SENSORS & MODULES

0.9 inch OLED Screen Display Module 4 pin compatible with Arduino

Specification

• Voltage: 3.3V-5V DC
• Size: 0.9 inch
• Power consumption: 0.04W 
• Number of pins: 4
• It has Super High Contrast
• Easy to install

1S 2S 3S 4S Single 3.7V MH-DL 18S Lithium Battery Capacity Indicator Module (45 x 20 x 8)

Specification:

1. Battery Compatibility: 1S, 2S, 3S, 4S single-cell lithium batteries.
2. Voltage Range: 3.7V per cell.
3. Dimensions: 45mm x 20mm x 8mm.
4. Capacity Indicator Module for monitoring lithium battery charge status.

12V-20V input 5V output Wireless HI-FI Amplifier circuit modules

Specification

1. Working voltage  : 12V-20V 
2. Output current  :  2x40 Watt
3. Support  :  mp3/ Bluetooth /USB/aux/FM
4. Excellent sound quality
5. Convenient
6. Cheap and easy to install

12V 2 channel relay module with light coupling

Specification:-

1. Number of channels : 2
2. Operating voltage : 12V
3. Max. current : 20mA
4. Trigger voltage : 12V
5. Switching voltage : 250V at 10A
6. Equipped with high-current relay
7. It can control both AC and DC appliances such as Motors, lights, fans, etc.

FY-12 Mini LCD Digital Thermometer Hygrometer with a probe sensor

Specifications:-

1. Temperature measuring range : -50°C to +70°C
2. Humidity range: 10% RH to 99% RH
3. Temperature accuracy: 1°C
4. Humidity accuracy: 5%RH
5. Large LED display
6. Multifunctional

DHT11 Temperature and humidity detection sensor module

Specification:-

1. Operating Voltage:  3.5V to 5.5V
2. Operating current:   0.3mA
3. Output:  Serial data
4. Temperature Range  :  0°C to 50°C
5. Humidity Range:  20% to 90%

5V 2 channel Low level solid state relay module 240V 2A output with resistive fuse

Specification:-

1. Operating voltage : 3V to 5V
2. Trigger voltage : 5V
3. Supply current : 2mA
4. Switching voltage range : 240V at 2A
5. Operating current : 16mA
6. 2 channel 2 AMP Solid State Relay board
7. Control 2 loads of up to 2 amps each at 100V or 240V AC

SIM800L GPRS GSM Module for Arduino

Specifications:

• Chip: SIM800L
• Voltage: 3.7-4.2V
• Module size: 2.5cmx2.3cm
• TTL serial port for serial port
• Power module automatically boot, homing network
• Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is  no signal

Bluetooth MP3 USB FM radio player module with double direct speaker connection pack of 5pcs

Specification:-

1. Working voltage  :  5V
2. You can connect two speakers of 5 watt directly
3. 3 pre-install buttons for easy handling
4. Support  :  mp3/bluetooth/USB/aux/FM/memory card/USB charging
5. Excellent sound quality
6. Cheap and easy to install

Bluetooth FM USB AUX Card MP3 Stereo Audio Player Decoder Module with wire and without frame (75 x 20)

Specification

• Connector Type             Bluetooth
• Color                            Black
• Audio Output Type      Speakers
• Material                        Plastic
• JST wire

XL4015 STEP DOWN BUCK CONVERTER ADJUSTABLE MAX OUTPUT 36V 5A

Specification

• 5A high power, high efficiency, and low ripple with power indicator
• Non-isolated buck module (BUCK)
• Input voltage: 8-36V (input please try not to exceed 38V)
• Output voltage: 1.25-32V continuously adjustable
• Output Current: 0-5A
• Output Power: 75W
• Operating temperature: -40 to +85 degrees
• Operating frequency: 180KHz

KCX BT002 bluetooth 4.2 Wireless stereo audio receiver circuit modules pack of 50pcs

Specification

1. Working voltage:  Dc 3.3V to 5.0 V
2. Provide good sound quality
3. Easy to set up with other amplifiers
4. Very low power consumption
5. Very small size